Symptoms include mentioning the student constantly and disliking anyone else in the class who is not the favoured student.
The term can also be applied to a worker/boss situation.
Coincidently, a Malkaniser is a 3-part whiskey 2-part apple juice and lemonade cocktail to be drunk with a Twix as a test of manliness.
Guy 2: Dude she's a Malkaniser!
Guy 3: Malkanisers totally make me sick, I'm never drinking that again.